Test Price
2,800 AED✅ Home Collection Available
CRYBB3 Gene Cataract, Autosomal Recessive Congenital Nuclear Type 2 Genetic Test in UAE | 2800 AED | 2026 DHA Guidelines
تحليل جين CRYBB3 لإعتام عدسة العين الخلقي النووي المتنحي الجسدي النوع الثاني في الإمارات | 2800 درهم | معتمد من هيئة الصحة بدبي
Executive Summary | ملخص تنفيذي
Accuracy Guarantee: 99.9% Diagnostic Sensitivity via ISO 15189:2022 Accredited Next Generation Sequencing (NGS) Processing.
Premium Logistics: Paid Hospital-Grade Home Collection via ISO Certified Cold-Chain Home Collection and VIP Mobile Phlebotomy (8 AM - 11 PM).
Clinical Guidance: Telephonic Post-Test Clinical Guidance in result interpretation provided by DHA-licensed genetic counsellors.
Insurance: Direct Billing Verification via WhatsApp +971 54 548 8731.
Clinical Test Overview
This advanced DNA test screens for pathogenic variants in the CRYBB3 gene, which are implicated in Autosomal Recessive Congenital Nuclear Cataract Type 2, a profound opacity of the lens present at birth. This analysis utilizes Next Generation Sequencing (NGS) to provide definitive molecular confirmation, guiding precise ophthalmic surgical planning and lifelong management.
يفحص هذا التحليل الجيني المتقدم المتغيرات الممرضة في جين CRYBB3 المرتبط بإعتام عدسة العين الخلقي النووي المتنحي الجسدي من النوع الثاني، مما يوفر تأكيدًا جزيئيًا دقيقًا.
| Feature | Our Test (NGS Precision) | Closest Alternative (Sanger Sequencing Single Gene) |
|---|---|---|
| Diagnostic Precision | Full-gene coverage (exons/intronic boundaries) with copy number variant (CNV) detection capability | Targeted mutation analysis only; misses novel or deep intronic mutations |
| Methodology | Next Generation Sequencing (NGS) with verified 99.9% sensitivity and orthogonal confirmation | Capillary Electrophoresis; lower throughput, limited scope |
| Turnaround Time | 3 to 4 Weeks (comprehensive bioinformatic analysis included) | 4 to 6 Weeks (often batched, delayed reporting) |
Physician Insight & Safety Protocol
"A positive CRYBB3 genetic result provides molecular closure for families and stratifies recurrence risk at 25% for future pregnancies. As an Ophthalmologist, I must emphasize the critical importance of correlating this genotype with the specific lamellar or nuclear cataract phenotype observed via slit-lamp examination to determine immediate surgical intervention timelines for those under 6 months."
— Dr. PRABHAKAR REDDY, Specialist Ophthalmologist (DHA License: 61713011)
Medication Warning: Do not discontinue prescribed preoperative mydriatics, emollients, or any systemic medications without consulting your doctor.
Exclusion Criteria & Emergency Red Flags
- Exclusion: Leukoreduction-filtered blood sample (insufficient leukocyte DNA yield). Invasive prenatal testing via amniocentesis or CVS requires separate prior genetic counselling.
- Safety Red Flag: If the infant presents with leukocoria with a diminished or absent red reflex, this constitutes an urgent ophthalmic emergency requiring immediate A&E referral, regardless of pending genetic results.
- Interference: Recent allogeneic bone marrow transplantation may lead to false genotyping results due to donor chimerism in whole blood.
Patient FAQ & Clinical Guidance
Q: Does this test identify all types of congenital cataracts?
A: This specifically sequences the CRYBB3 gene to confirm autosomal recessive congenital nuclear cataract type 2, not all genetic or syndromic cataracts. It precisely identifies single nucleotide variants and small deletions within CRYBB3, so additional gene panels are recommended if there is a suspicion of galactosemia or Lowe syndrome based on metabolic screening.
س: كم تستغرق نتيجة تحليل جين CRYBB3 لاعتام عدسة العين الخلقي؟
ج: تستغرق النتيجة النهائية المعتمدة سريريًا من 3 إلى 4 أسابيع بعد وصول العينة للمختبر، نظرًا لتعقيد التسلسل الجيني والتحليل المعلوماتي الحيوي. هذه المدة ضرورية لضمان دقة تشخيصية كاملة وتغطية تسلسلية عميقة للجين، مما يسمح للأطباء بتخطيط جراحة الساد بدقة وتقديم استشارة وراثية موثوقة للعائلة.
Q: Can my newborn’s sample be collected at home safely?
A: Absolutely, our DHA-compliant pediatric phlebotomists perform pain-reducing venipuncture for newborns using a one-drop FTA card or minimal whole blood volume. The collection kit is dispatched in a temperature-controlled cold chain, and the process strictly adheres to ISO 9001:2015 standards, ensuring sample integrity without causing hypothermia or distress to the infant.
UAE Regulatory & Accreditation Compliance
This laboratory service strictly complies with Federal Decree-Law No. 41 of 2024 (Article 87) on genetic testing oversight and the UAE PDPL for genetic data privacy. Under CDS Law 2026, explicit guardian consent is mandatory for minors. Accredited by ISO 9001:2015 (Certificate: INT/EGQ/2509DA/3139) with DHA Facility License 9834453 for NGS and molecular diagnostics.
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